Drivers: hv: move panic report code from vmbus to hv early init code

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The panic reporting code was added in commit 81b18bce48
("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic")

It was added to the vmbus driver. The panic reporting has no dependence
on vmbus, and can be enabled at an earlier boot time when Hyper-V is
initialized.

This patch moves the panic reporting code out of vmbus. There is no
functionality changes. During moving, also refactored some cleanup
functions into hv_kmsg_dump_unregister().

Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/1682030946-6372-1-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>

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This commit is contained in:

Long Li 2023-04-20 15:49:06 -07:00 • committed by Wei Liu

parent 3be1bc2fe9

commit 9c318a1d9b

3 changed files with 231 additions and 235 deletions

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36

drivers/hv/hv.c

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231

drivers/hv/hv_common.c

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199

drivers/hv/vmbus_drv.c

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